{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["application", "enabling technology", "biomedical", "machanical property", "process parameter", "concept or principle"], "input": "For macro channel geometry , down-facing surfaces of the channel may experience stability problems during printing ."}
{"application": ["channel"], "enabling technology": [], "biomedical": [], "machanical property": ["stability"], "process parameter": [], "concept or principle": ["surfaces"]}